NEB Question Browser

Write the steps to make a video shorter by cutting a longer video.

Write any two advantages that can be taken by the students for their studies from digital technology.

Write the roasting process on the basis of purification of impure metal?

How does the metallic property vary in a period in the modern periodic table?

Why are the elements of group 1 in the periodic table called alkali metals?

While walking on a coal-tarred road on a sunny day, a pool of water appears ahead. Which property of light is responsible for this?

What is the weight of the given object in water?

Give any one reason of declining animals like tiger, rhino, red panda, etc. in Nepal in recent years?

Lack of which component in blood causes anaemia?

Draw a labelled graph to show a digital signal.

What is the dependent variable in a process of making a solution by dissolving solute in a solvent?

What type of energy transformation is done by the given instrument?

i. Chemical energy to electrical energy

ii. Electrical energy to light energy

iii. Magnetic energy to electrical energy

iv. Electrical energy to magnetic energy

a. An individual's blood analysis reveals an elevated sugar concentration. What physical signs might this individual have observed?

i. Joint pain

ii. Deep pain in muscles

iii. Excessive hunger and thirst

iv. Heart attack

Which one of the following ores is converted into metallic oxide by calcination method?

i. Bauxite

ii. Siderite

iii. Cuprite

iv. Hematite

Three beakers labelled as A, B and C each containing of water were taken. A small amount of , anhydrous and were added to the beakers A, B and C, respectively. It was observed that there was an increase in temperature of the solution in beakers A and B whereas in beaker C, the temperature of the solution decreased. Which one of the following statements is correct?

i. In beakers A and B, exothermic and in beaker C endothermic reaction has occurred.

ii. In beakers A and B, endothermic and in beaker C exothermic reaction has occurred.

iii. In beakers A, B and C exothermic reaction has occurred.

iv. Concept of heat cannot be developed by this information.

Which of the following sequences represent the correct order of increase in chemical reactivity of metals?

i.

ii.

iii.

iv.

Which of the following electronic configurations is the electronic configuration of the element with valency 2?

i.

ii.

iii.

iv.

On which principle is the given instrument based?

i. Archimedes' principle

ii. Pascal's law

iii. Law of gravitation

iv. Snell's law

What will be the weight of the stone on the surface of the Earth if it weighs 78.4 N on the surface of the Moon?

i. 380 N

ii. 490 N

iii. 590 N

iv. 690 N

Which of the following is a group of medicinal herbs found in Nepal?

i. Neem, Holy basil, Corn

ii. Caterpillar fungus, Aloevera, Millet

iii. Holy basil, Caterpillar fungus, Paddy

iv. Malabar nut, Calamus, Caterpillar fungus